Benzisothiazole and indazole azo compounds

Details Benzisothiazole and indazole azo compounds Benzisothiazole and indazole azo compounds

1973-11-21

1976-10-12

Trousoe, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260156, 260158, 260160, 260163, C09B 2908

Patent

active

039857263

ABSTRACT:
An azo compound free of sulphonic acid groups, of the formula ##SPC1##
Wherein B is the radical of a coupling component of the phenol or naphthol, pyrazolone, pyridone, aminopyrazole, enolisable keto compound or alkylaniline series and Y is a sulphur atom or a nitrogen atom, R represents a hydrocarbon radical or a hydrogen atom, and n =1 or 2, n being 1 if Y= --S-- and n being 2 if Y= --N=, and wherein the ring D can carry yet further substituents and the dyestuff molecule contains at least one carboxyl group, and useful in dyeing and printing leather, wool, silk and synthetic fibers such as acrylic, acrylonitrile, polyamide and especially aromatic polyester fibers.

REFERENCES:
patent: 2314440 (1943-03-01), Bock et al.
patent: 2361618 (1944-10-01), Felix et al.
patent: 3360508 (1967-12-01), Sureau et al.
patent: 3455898 (1969-07-01), Seefelder et al.
patent: 3697501 (1972-10-01), Dehnert
patent: 3718641 (1973-02-01), Muller et al.

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